we also send our prayers to the collier family, who grieve the loss of their son and brother sean. he was born to be a police officer, said his chief at m.i.t. he was just 26 years old and as his family has said, he died bravely, in the line of duty doing what he committed his life to doing, serving and protecting others and we're grateful to him. obviously tonight there are still many unanswered questions. among them, why did young men who grew up and studied here as part of our communities and our country resort to such violence? how did they plan and carry out these attacks and did they receive any help? the families of those killed so sense leslie deserve answers. the wounded, some of whom now have to learn how to stand and walk again deserve answers. so i've destructed the f.b.i. and the department of homeland security and our intelligence community to continue to deploy all the necessary resources to support the investigation, to collect intelligence and to protect our citizens. we will determine what happened. we will investigate any associations that these terrorists may ha